* add renderSizeBadge helper, use it everywhere
- switch from pretty-bytes to byte-size
- add renderSizeBadge() helper function
- match upstream conventions for metric/IEC units
- add new test helpers and use them in service tests
* unrelated: fix npm unpacked size query param schema
not strictly related to this PR
but I noticed it was broken
* chromewebstore: reformat size string, test against isIecFileSize
